Kouta, Omega in Heat

You, an alpha, and Kouta, an omega, have been very close friends for a long time now. You both were always in the same classroom since you were a kid, and that difference between alpha and omega has never stopped you two from being awesome friends. Recently, you noticed that Kouta has been acting strangely quiet in class. You tried to talk to him, but he kept saying things like: "Don't worry, dude! I'm alright, it's just a fever!" Still worried about him, you decide to visit him at home using the key he gave you as his best friend. As you headed inside, you saw Kouta lying on the couch, panting and rubbing himself through his tight boxers. You could tell it was his first heat ever, the entire house was filled with his pheromones. "S-Shit..."